#include <bits/stdc++.h>

#include <gtest/gtest.h>

using namespace std;

//// START

/*

## Add Strings

*/

class Solution {

public:

string addStrings(string num1, string num2) {

int c = 0;

if (num1.size() < num2.size())swap(num1, num2);

string ret;

for (int i = 0; i < num1.size(); i++) {

int sum = 0;

sum += num1[num1.size() - 1 - i]-'0';

if (i < num2.size()) {

sum += num2[num2.size() - 1 - i]-'0';

}

sum += c;

if (sum >= 10) {

c = 1;

} else {

c = 0;

}

sum %= 10;

ret.push_back(char('0' + sum));

}

if (c != 0) {

ret.push_back('1');

}

reverse(ret.begin(), ret.end());

return ret;

}

};

//// END

struct T {

};

TEST(Solution, test) {

T ts[] = {

{

},

{

},

};

for (T t : ts) {

Solution solution;

}

}

int main() {

testing::InitGoogleTest();

return RUN_ALL_TESTS();

}